margin
US /ˈmɑːr.dʒɪn/
UK /ˈmɑːr.dʒɪn/

1.
2.
the difference between the value of sales and the cost of making and selling the products
:
•
The company operates on a very small profit margin.
•
They need to increase their gross margin to stay competitive.
3.
the amount by which one thing is greater or less than another
:
•
They won the election by a narrow margin.
•
There's a wide margin for error in this calculation.